@gechiui/block-editor/build/components/block-selection-clearer/index.js

Generic block editor.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = BlockSelectionClearer;
exports.useBlockSelectionClearer = useBlockSelectionClearer;

var _element = require("@gechiui/element");

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _data = require("@gechiui/data");

var _compose = require("@gechiui/compose");

var _store = require("../../store");

/**
 * GeChiUI dependencies
 */

/**
 * Internal dependencies
 */

/**
 * Pass the returned ref callback to an element that should clear block
 * selection. Selection will only be cleared if the element is clicked directly,
 * not if a child element is clicked.
 *
 * @return {import('react').RefCallback} Ref callback.
 */
function useBlockSelectionClearer() {
  const {
    hasSelectedBlock,
    hasMultiSelection
  } = (0, _data.useSelect)(_store.store);
  const {
    clearSelectedBlock
  } = (0, _data.useDispatch)(_store.store);
  return (0, _compose.useRefEffect)(node => {
    function onMouseDown(event) {
      if (!hasSelectedBlock() && !hasMultiSelection()) {
        return;
      } // Only handle clicks on the element, not the children.


      if (event.target !== node) {
        return;
      }

      clearSelectedBlock();
    }

    node.addEventListener('mousedown', onMouseDown);
    return () => {
      node.removeEventListener('mousedown', onMouseDown);
    };
  }, [hasSelectedBlock, hasMultiSelection, clearSelectedBlock]);
}

function BlockSelectionClearer(props) {
  return (0, _element.createElement)("div", (0, _extends2.default)({
    ref: useBlockSelectionClearer()
  }, props));
}
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